York
Furnace

Model # 1NP0433A Official York furnace/heater

Here are the diagrams and repair parts for Official York 1NP0433A furnace/heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 11 parts  |

Module 025-27762-000

#11

All parts diagram

Module

Part #025-27762-000

The manufacturer no longer makes this part, and there's no substitute part

Orifice, Gas Pilot #65 029-20422-065

#3

All parts diagram

Orifice, gas pilot #65

Part #029-20422-065

The manufacturer no longer makes this part, and there's no substitute part

Parts, Valve Conversion (honeywell) 025-25429-700

#9

All parts diagram

Parts, valve conversion (honeywell)

Part #025-25429-700

The manufacturer no longer makes this part, and there's no substitute part

Heat Exchanger Baffle 026-31484-000

#4

All parts diagram

Heat exchanger baffle

Part #026-31484-000

The manufacturer no longer makes this part, and there's no substitute part

Orifice, Burner #74 029-20422-074

#6

All parts diagram

Orifice, burner #74

Part #029-20422-074

The manufacturer no longer makes this part, and there's no substitute part

Gas Valve 025-25463-000

#10

All parts diagram

Gas valve

Part #025-25463-000

The manufacturer no longer makes this part, and there's no substitute part

Parts, Valve Conversion (honeywell) 025-22717-700

#2

All parts diagram

Parts, valve conversion (honeywell)

Part #025-22717-700

The manufacturer no longer makes this part, and there's no substitute part

Retainer Ring 029-20430-000

#8

All parts diagram

Retainer ring

Part #029-20430-000

The manufacturer no longer makes this part, and there's no substitute part

Orifice, Burner #53 029-20423-053

#1

All parts diagram

Orifice, burner #53

Part #029-20423-053

The manufacturer no longer makes this part, and there's no substitute part

Parts, Valve Conversion (robert Shaw) 025-27742-000

#7

All parts diagram

Parts, valve conversion (robert shaw)

Part #025-27742-000

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for bottom-mount refrigerators

How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator defrost control assembly

How to replace a refrigerator defrost control assembly

Follow these steps to replace the defrost control assembly if your Kenmore or LG French door refrigerator displays an er…

Repair difficulty
Time required
 120 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…